X-COM: Terror From the Deep — Steam capsule
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X-COM: Terror From the Deep Free Download

by 2K

Windows · May 3, 2007

Download Now Data checked on Steam: Oct 20, 2026
Fit check

Is X-COM: Terror From the Deep worth it for you?

We tell you who should skip it, too.

Play it if you…

Good fit
  • Strategy players who want an alien-invasion campaign set beneath the oceans
  • Fans of tactical battlefields who want strategic mapping alongside combat missions
  • X-COM players seeking aquatic technology and new alien creatures

Skip it if you…

Saves you a refund
  • Players seeking a conventional land-based alien campaign may not suit its underwater setting
  • Players looking for a narrowly focused battlefield game may not suit its combination of geoscape mapping and multilevel encounters
  • Players wanting historical warfare rather than extraterrestrial enemies may not fit its science-fiction premise

Drafted from Steam store data with AI and reviewed by an editor · How we write fit checks · Report an error

Our take on X-COM: Terror From the Deep

The game shifts alien warfare from familiar terrestrial or galactic settings into the ocean depths. Underwater regions, buildings, wrecks, aquatic equipment, and sea-dwelling enemies replace the usual battlefield backdrop while preserving the series’ strategic campaign structure.

What is X-COM: Terror From the Deep?

X-COM: Terror From the Deep continues the conflict established by X-COM: UFO Defense, moving the alien threat beneath Earth’s oceans.

Players manage an undersea geoscape with detailed terrain mapping while responding to a second alien offensive. Tactical encounters use multilevel maps that include underwater environments and buildings. The game features military technology for operations below the surface, water-colored settings, and wrecks. An alien encyclopedia covers mutation technology and new aquatic creatures. The campaign centers on defending Earth from awakened alien forces and their advanced technology, extending the series’ strategic and tactical warfare into a submerged setting.

How X-COM: Terror From the Deep plays

01Undersea Campaign Map
The strategic layer covers ocean regions with detailed terrain information.
02Multilevel Battlefields
Encounters span several levels and can take place in submerged areas or buildings.
03Aquatic Military Technology
The game includes a full range of military equipment for undersea operations.
04Alien Reference Book
An in-game encyclopedia covers mutation technology and newly introduced sea creatures.
05Submerged Visuals
The environments include colored water and wrecked sites.

X-COM: Terror From the Deep compared to similar games

Xenonauts also follows a military organization defending Earth from alien invasion, with persistent soldiers, turn-based missions, and technology recovery. X-COM: Terror From the Deep distinguishes itself through undersea mapping, aquatic equipment, submerged environments, and multilevel battlefields.

X-COM: Terror From the Deep: platforms & release

Is X-COM: Terror From the Deep worth it?

It is worth it if: strategy players who want an alien-invasion campaign set beneath the oceans. Skip it if: players seeking a conventional land-based alien campaign may not suit its underwater setting.

Where can I download X-COM: Terror From the Deep?

Use the Download Now button on this page: it opens X-COM: Terror From the Deep's store page, where you can choose how to get it.

What platforms is X-COM: Terror From the Deep on?

Windows only.

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